Pre-Calculus

Have pre-calculus questions? Ask a pre-calculus tutor

Connect one-on-one with {0} who will answer your question

We know the factorial symbol...

We know the factorial symbol denotes the product of decreasing positive whole numbers. For example, 4! = 4 * 3 * 2 * 1. My question is : What is 0! ?

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a tutorLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

Related Pre-Calculus Questions

I just need an answer for some questions. Just need answers

Just need answers for my homework as I've missed some work. … read more

hi do you still have the answers to the these questions Assume

hi do you still have the answers to the these questions Assume the following data were gathered by a manufacturer of a robotics component, in units of days of continuous use until the component fails.… read more

You must show your work to receive full credit. If you do not

You must show your work to receive full credit. If you do not show your work, you may earn only partial or no credit at the discretion of the professor. MULTIPLE CHOICE. Choose the one alternative tha… read more

2. Assume the following data were gathered by a manufacturer

2. Assume the following data were gathered by a manufacturer of a robotics component, in units of days of continuous use until the component fails. There are 60 measurements in this data set. Show a h… read more

Finding Upper and Lower Sum for these Q a)Integrate(Symbol)

Finding Upper and Lower Sum for these Q a)Integrate(Symbol) (5-3x)dx b=3 a=1 b)Integration symbol (2+12x^2)dx b=1 a=0 c)integration symbol f(x)dx where f(x) = 1 if x is rational 0 if x is irrational… read more

FOR SCOTT ONLY, Scott Im online and ready to go early,

FOR SCOTT ONLY, Scott I'm online and ready to go early, just say the word and ill get things going like last time, thanks.… read more

A class roster includes 24 male students and 15 female students

A class roster includes 24 male students and 15 female students who are IT majors. If 4 students from the group are selected to represent IT majors at a university meeting, what is the probability 2 w… read more

7. Select a theta notation from: theta(1), theta(lgn), theta(n),

7. Select a theta notation from: theta(1), theta(lgn), theta(n), theta(nlgn), theta(n^2), theta(n^3), theta(n^4), theta(2^n), theta(n!) In each case justify your selection by first deriving the notati… read more

** FOR GREG ** I have to find the volume of a figure. The

** FOR GREG ** I have to find the volume of a figure. The figure is a rectangular box and the numbers given to me are 4x with exponent 4, 5x with exponent 3, and 2x with exponent 2… read more

FOR MIJCAR Hi how are you? I have a couple more questions

FOR MIJCAR Hi how are you? I have a couple more questions for you. I am sending the link to the worksheet. The questions I need help with are 11. a, b, c and 15 Here is the link: http://dl.dropbox.com… read more

three times a first number decreased by a second number is

three times a first number decreased by a second number is XXXXX The first increased by twice the second number is XXXXX what are the numbers… read more

I have 5 math problems: 1. Solve for x: a) x^2 =-3x +28 )

I have 5 math problems: 1. Solve for x: a) x^2 =-3x +28 b) 1/3x^2 A+1/2x 1/6=0 2.Solve the blanks a) (4x + ) ( 3x + ) + 12x^2 + 25x +7 b) (4x + ) (3x + ) =12x^2 +39x+9 3. Factor a) 10x^2-30x b)12x^3-1… read more

The strength of a radio signal is inversely proportional to

The strength of a radio signal is inversely proportional to the sq of a distance from the source of the signal. An observer is 200m away from the source. She then moves ot a position closer to the sou… read more

Can you rewrite what i did wrong? 1. Equation: y=x^2+8x+16 Find: a.

Can you rewrite what i did wrong? 1. Equation: y=x^2+8x+16 Find: a. Vertex: (-4, 0) b. Axis of symmetry: 4 c. Intercepts: (-4, 0), (0, 16) d. Domain: (-∞, -4] or [-4, ∞) e. Range: (-∞, 16] f. Interval… read more

Graph the following function using the techniques of shifting,

Graph the following function using the techniques of shifting, compressing, stretching and/or reflecting. Start with graph of the basic function shown to the right. Find to domain and range of the fun… read more

Consider responding to laws different from the ones you selected.

Consider responding to laws different from the ones you selected. Ask clarifying questions of your classmates to make sure you understand the laws. Practice simplifying the expressions. This is what w… read more

Math question: 1) how many diffrent numbers having all 5 digits

Math question: 1) how many diffrent numbers having all 5 digits can be formed using all the digits 3,4,5,6, and 7? without repeatability of digits. how many are divisible by 5? 2) how many 6 letter wo… read more

Week 6 CheckpointComplete this checkpoint using Microsoft

Week 6 Checkpoint Complete this checkpoint using Microsoft Word and equation editor (when needed). Post as an attachment to your assignments section. Part 1: Provide your answers to the following prob… read more

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.

Web sites like justanswer.com/legal

...leave nothing to chance.

...leave nothing to chance.

Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.

Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.

I will tell you that...the things you have to go through to be an Expert are quite rigorous.

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

Los Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

Hesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

Kernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

Woodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

Elkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

Dallas, TX

< Previous | Next >

rajeevanpillai

Master's Degree

305 satisfied customers

B.Sc in Mathematics and M.Sc, M Phil in Statistics

Mr. Gregory White

Master's Degree

167 satisfied customers

M.A., M.S. Education / Educational Administration

mhasan420

Master's Degree

37 satisfied customers

BA Maths, Oxford

JACUSTOMER-yrynbdjl-

Master's Degree

13 satisfied customers

I have taught college Mathematics for the past 10 years.

Dr. Arthur Rubin

Doctoral Degree

12 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

Sandhya_sharma

Master's Degree

1,179 satisfied customers

I hold M.Sc and M.Phil degrees in math and have several years of teaching experience.

Kofi

PhD in Statistics

805 satisfied customers

Masters in Mathematics and Statistics

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.